EP1614975B1 - Air flow controller, in particular for ventilation and/or air-conditioning devices - Google Patents

Air flow controller, in particular for ventilation and/or air-conditioning devices Download PDF

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Publication number
EP1614975B1
EP1614975B1 EP05014258A EP05014258A EP1614975B1 EP 1614975 B1 EP1614975 B1 EP 1614975B1 EP 05014258 A EP05014258 A EP 05014258A EP 05014258 A EP05014258 A EP 05014258A EP 1614975 B1 EP1614975 B1 EP 1614975B1
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EP
European Patent Office
Prior art keywords
flow channel
volume flow
flow controller
actuating drive
control device
Prior art date
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Application number
EP05014258A
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German (de)
French (fr)
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EP1614975A3 (en
EP1614975A2 (en
Inventor
Gregor Baumeister
Siegfried Walter
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Gebrueder Trox GmbH
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Gebrueder Trox GmbH
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Priority to PL05014258T priority Critical patent/PL1614975T3/en
Publication of EP1614975A2 publication Critical patent/EP1614975A2/en
Publication of EP1614975A3 publication Critical patent/EP1614975A3/en
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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
    • F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/30—Velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/40—Pressure, e.g. wind pressure

Definitions

  • the invention relates to a volume flow regulator, in particular for air conditioning and ventilation systems, with a control flap which is pivotally mounted in the interior of a flow channel on a transverse to the flow direction and at least one wall of the flow passage shaft, wherein the change in the position of the control valve on the from the flow channel protruding portion of the shaft attacks an actuator.
  • volumetric flow controllers are in practice connected to a control device integrated into a building control system.
  • a pressure difference sensor which is designed as a separate component and arranged at a distance from the volume flow controller, a pressure difference is determined and determined from this an actual value. This is compared with a stored setpoint. In the event of deviations, the actuator receives a corresponding signal via a data connection.
  • the disadvantage here is that the installation and the subsequent adjustment of the volumetric flow controller is expensive, since in addition to the actual volumetric flow controller also various separate Assembled components and then connected to each other and must be adjusted to each other, the adjustment to be made on the building management system is otherwise complicated and time-consuming due to the spatial separation of the individual components.
  • the object of the invention is therefore to improve a known volume flow regulator so that the disadvantages described above are avoided.
  • volumetric flow controller is characterized by an extremely compact design, since all components are provided in the volumetric flow controller itself, so that the volumetric flow controller factory can be completely assembled. On the construction site itself then only the connection to an on-site flow channel and to a power grid. Thereafter, the minimum and the maximum permissible volume flow can be adjusted via the (the) means to the volume flow controller itself in a simple manner.
  • a pressure difference is determined via the pressure sensor, which is forwarded either as an analog or after conversion as a digital signal to the control device. If the measured actual value deviates from a setpoint stored in the control unit, then the control device to the actuator passed a corresponding signal and changed the control valve position.
  • both the minimum and the maximum flow rate is adjustable. But it is also quite possible that two separate means are provided, so that via one means, the setting of the minimum flow rate and the other means, the setting of the maximum flow rate.
  • the means are preferably arranged easily accessible on the outside of the control device or the actuator, so that a setting is easily possible.
  • At least one means for adjusting the permissible volume flow can be designed as a potentiometer. But there are also other analog means or means conceivable that allow a digital setting.
  • the actuator is mounted only in one position, the actuator and the protruding from the flow channel end of the shaft can be connected via a positive and only a mounting situation permitting positive connection with each other. In this way, the rotation angle and the direction of rotation are fixed. For a quick installation, for example, offers a simple plug connection. But it is quite possible that the actuator is bolted to the flow channel.
  • At least connected to the actuator end of the shaft has a round cross-section with a lateral Flattening and the actuator have a corresponding with the end receiving opening.
  • Other cross-sectional shapes that allow only one mounting position, are quite possible.
  • the actuator preferably on the side facing the flow channel side of the actuator, in a corresponding opening in the wall of the flow channel at least partially engaging pin.
  • the pin Upon insertion of the projecting out of the flow channel end of the shaft into the receiving opening of the actuating drive, the pin is simultaneously introduced into the wall of the flow channel, so that in this way the actuator is connected at two points with the flow channel.
  • the pin may, for example, have a latching nose at the end, which engages behind a corresponding flow channel-side latching projection.
  • a preferably elastic spacer element in particular an elastomer, may be provided on the side of the adjusting drive facing the flow channel.
  • the spacer also prevents the occurrence of vibration.
  • a spacer element is provided. If the thickness of the spacer approximately corresponds to the remaining gap between the actuator and the flow channel in the plugged state in the region of the shaft, in this way the actuator is spaced at two locations to the same extent from the wall.
  • the controller may also be connected to an external room temperature sensor.
  • the room temperature sensor is used to determine the room temperature and forward a corresponding signal to the control unit. If regulation is required, the position of the control damper in the desired direction is then changed as part of the presetting of the minimum and maximum volumetric flow.
  • the control device with an external control, in particular a building management system, is connected.
  • the volumetric flow controller can additionally be controlled externally within the minimum and maximum control ranges previously set by the means.
  • the control device can be connected to a bus system.
  • a LON or ASI chip is provided in the control device.
  • the volume flow regulator 1 shown in the figures has a flow channel 2 with a circumferential wall 3, which may be formed, for example, round or square on. In the region of the two ends 4, 5 of the flow channel 2 beads 6 are provided. With the two ends 4, 5 of the volumetric flow controller 1 is connected to an air conditioning system, not shown.
  • a control flap 9 is pivotally mounted on a transverse to the flow direction 7 and at least one of the wall 3 of the flow channel 2 passing shaft 8, wherein the edge of the control flap 9 has a sealing lip 10.
  • control flap 9 In the illustrated position, the control flap 9 is in an intermediate position between the open and the closed position. In the open position, the control flap 9 is aligned approximately parallel to the flow direction 7.
  • an actuator 11 with an integrated control device 12 is mounted on the volumetric flow controller 1.
  • the actuator 11 has a receiving opening 13, which is plugged onto the protruding from the flow channel 2 end of the shaft 8.
  • the shaft 8 is round and has a lateral flattening 14, so that the actuator 11 can be installed only in a mounting situation.
  • the flattening 14 also transmits the rotational movement of the actuator 11 when actuated on the shaft eighth
  • a pin 15 is provided on the flow channel 2 facing side of the actuator 11, which engages in a corresponding opening 16 in the wall 3 of the flow channel 2.
  • a preferably elastic spacer 17 such as an elastomer provided between the flow channel 2 and the actuator 11 and the region of the shaft 8 when the actuator 11 has been completely plugged onto the shaft 8.
  • two tubes 19 arranged at right angles to one another are provided in the flow channel 2 as the pressure sensor 18.
  • the tubes 19 have not shown recesses over their length.
  • other types of pressure sensors 18 are conceivable.
  • the tubes 19 of the pressure sensor 18 are connected to the control device 12.
  • the determined via the tubes 19 pressure difference is converted into the control device 12 in a voltage signal, which thus determined actual value then compared with a stored setpoint and if necessary, a corresponding signal to the actuator 11 for changing the position of the control flap 9 is emitted.
  • potentiometer To set the minimum and maximum volume flow two designed as a means 21 potentiometer are provided. Due to the externally applied scaling, the minimum and maximum volume flow can be set easily via a potentiometer.
  • the volumetric flow controller 1 is extremely compact, since the control valve 9, actuator 11, control device 12 and pressure sensor 18 are arranged in the smallest space and the factory assembly can already be made. On the construction site itself, the volumetric flow controller 1 must be connected only with its two ends 4, 5 with the building-side air conditioning system and connected to a power grid.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mathematical Physics (AREA)
  • Fuzzy Systems (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Air-Flow Control Members (AREA)
  • Flow Control (AREA)
  • Ventilation (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Air Conditioning Control Device (AREA)
  • Duct Arrangements (AREA)

Abstract

Volume flow regulator (1), especially for a climate-control or ventilation system, has a regulating flap (9) that is mounted on an axle (8) that is perpendicular to the flow direction and permits rotation of the flap by an actuator drive (11). A regulator arrangement (12) is mounted in a common housing with the drive, while a pressure sensor (18) extends into the flow and is linked to the regulator arrangement. The regulator arrangement has at least a device (21) for setting a minimum or maximum flow in the flow channel (2).

Description

Die Erfindung betrifft einen Volumenstromregler, insbesondere für klima- und lüftungstechnische Anlagen, mit einer Regelklappe, die im Inneren eines Strömungskanals auf einer quer zur Strömungsrichtung angeordneten und zumindest eine Wandung des Strömungskanals durchfassenden Welle schwenkbar gelagert ist, wobei zur Veränderung der Stellung der Regelklappe an dem aus dem Strömungskanal herausragenden Bereich der Welle ein Stelltrieb angreift.The invention relates to a volume flow regulator, in particular for air conditioning and ventilation systems, with a control flap which is pivotally mounted in the interior of a flow channel on a transverse to the flow direction and at least one wall of the flow passage shaft, wherein the change in the position of the control valve on the from the flow channel protruding portion of the shaft attacks an actuator.

Derartige Volumenstromregler sind in der Praxis mit einer in eine Gebäudeleittechnik integrierte Regeleinrichtung verbunden. Über einen Druckdifferenzsensor, der als separates Bauteil ausgebildet und in räumlichem Abstand zum Volumenstromregler angeordnet ist, wird eine Druckdifferenz bestimmt und hieraus ein Istwert ermittelt. Dieser wird mit einem hinterlegten Sollwert verglichen. Im Falle von Abweichungen erhält der Stelltrieb über eine Datenverbindung ein entsprechendes Signal.Such volumetric flow controllers are in practice connected to a control device integrated into a building control system. About a pressure difference sensor, which is designed as a separate component and arranged at a distance from the volume flow controller, a pressure difference is determined and determined from this an actual value. This is compared with a stored setpoint. In the event of deviations, the actuator receives a corresponding signal via a data connection.

Dokument EP 0 889 291 offenbart einen derartige elektronisch gesteuerten Volumen stromregler.Document EP 0 889 291 discloses such an electronically controlled volume flow regulator.

Nachteilig hierbei ist, dass der Einbau und auch die spätere Einstellung des Volumenstromreglers aufwendig ist, da neben dem eigentlichen Volumenstromregler auch diverse separate Bauteile montiert und diese dann miteinander verbunden und untereinander justiert werden müssen, wobei die über die Gebäudeleittechnik vorzunehmende Justierung im übrigen aufgrund der räumlichen Trennung der einzelnen Bestandteile aufwendig und zeitintensiv ist.The disadvantage here is that the installation and the subsequent adjustment of the volumetric flow controller is expensive, since in addition to the actual volumetric flow controller also various separate Assembled components and then connected to each other and must be adjusted to each other, the adjustment to be made on the building management system is otherwise complicated and time-consuming due to the spatial separation of the individual components.

Aufgabe der Erfindung ist es daher, einen bekannten Volumenstromregler so zu verbessern, dass die vorbeschriebenen Nachteile vermieden werden.The object of the invention is therefore to improve a known volume flow regulator so that the disadvantages described above are avoided.

Diese Aufgabe wird dadurch gelöst, dass eine mit dem Stelltrieb verbundene und mit diesem in einem gemeinsamen Gehäuse angeordnete Regeleinrichtung vorgesehen ist, und dass zumindest ein in den Strömungskanal hineinragender und mit der Regeleinrichtung verbundener Drucksensor vorgesehen ist, wobei an der Regeleinrichtung zumindest ein Mittel zum Einstellen eines minimal und/oder eines maximal zulässigen Volumenstroms im Strömungskanal vorgesehen ist. Der erfindungsgemäße Volumenstromregler zeichnet sich durch eine äußerst kompakte Bauweise aus, da sämtliche Bauteile in dem Volumenstromregler selbst vorgesehen sind, so dass der Volumenstromregler werkseitig komplett montiert werden kann. Auf der Baustelle selbst erfolgt dann lediglich der Anschluss an einen bauseitigen Strömungskanal sowie an ein Stromnetz. Danach können an dem Volumenstromregler selbst auf einfache Weise der minimal und der maximale zulässige Volumenstrom über das(die) Mittel eingestellt werden.This object is achieved in that a connected to the actuator and arranged with this in a common housing control device is provided, and that at least one projecting into the flow channel and connected to the control pressure sensor is provided, wherein at the control device at least one means for adjusting a minimum and / or a maximum permissible volume flow is provided in the flow channel. The volumetric flow controller according to the invention is characterized by an extremely compact design, since all components are provided in the volumetric flow controller itself, so that the volumetric flow controller factory can be completely assembled. On the construction site itself then only the connection to an on-site flow channel and to a power grid. Thereafter, the minimum and the maximum permissible volume flow can be adjusted via the (the) means to the volume flow controller itself in a simple manner.

Im Betrieb wird über den Drucksensor eine Druckdifferenz ermittelt, die entweder als analoges oder aber nach Umwandlung als digitales Signal an die Regeleinrichtung weitergeleitet wird. Weicht der gemessene Istwert von einem in der Regeleinrichtung hinterlegten Sollwert ab, wird von der Regeleinrichtung an den Stelltrieb ein entsprechendes Signal weitergegeben und so die Regelklappenstellung verändert.In operation, a pressure difference is determined via the pressure sensor, which is forwarded either as an analog or after conversion as a digital signal to the control device. If the measured actual value deviates from a setpoint stored in the control unit, then the control device to the actuator passed a corresponding signal and changed the control valve position.

Es kann leidlich nur ein Mittel vorgesehen sein, über das sowohl der minimale als auch der maximale Volumenstrom einstellbar ist. Es ist aber auch durchaus möglich, dass zwei getrennte Mittel vorgesehen sind, so dass über das eine Mittel die Einstellung des minimalen Volumenstroms und über das andere Mittel die Einstellung des maximalen Volumenstroms erfolgt.It can be reasonably provided only a means by which both the minimum and the maximum flow rate is adjustable. But it is also quite possible that two separate means are provided, so that via one means, the setting of the minimum flow rate and the other means, the setting of the maximum flow rate.

Dabei sind die Mittel vorzugsweise leicht zugänglich auf der Außenseite der Regeleinrichtung oder des Stelltriebes angeordnet, so dass eine Einstellung problemlos möglich ist.The means are preferably arranged easily accessible on the outside of the control device or the actuator, so that a setting is easily possible.

Zumindest ein Mittel zum Einstellen des zulässigen Volumenstroms kann als Potentiometer ausgebildet sein. Es sind aber auch andere analog arbeitende Mittel oder Mittel denkbar, die auf digitale Weise eine Einstellung erlauben.At least one means for adjusting the permissible volume flow can be designed as a potentiometer. But there are also other analog means or means conceivable that allow a digital setting.

Damit der Stelltrieb nur in einer Position montierbar ist, können der Stelltrieb und das aus dem Strömungskanal herausragende Ende der Welle über eine formschlüssige und nur eine Montagesituation erlaubende formschlüssige Verbindung mit einander verbunden sein. Auf diese Weise sind auch der Drehwinkel und die Drehrichtung festgelegt. Für eine schnelle Montage bietet sich beispielsweise eine einfache Steckverbindung an. Es ist aber durchaus möglich, dass der Stelltrieb mit dem Strömungskanal verschraubt wird.Thus, the actuator is mounted only in one position, the actuator and the protruding from the flow channel end of the shaft can be connected via a positive and only a mounting situation permitting positive connection with each other. In this way, the rotation angle and the direction of rotation are fixed. For a quick installation, for example, offers a simple plug connection. But it is quite possible that the actuator is bolted to the flow channel.

Dabei kann zumindest das mit dem Stelltrieb verbundene Ende der Welle einen runden Querschnitt mit einer seitlichen Abflachung und der Stelltrieb eine mit dem Ende korrespondierende Aufnahmeöffnung aufweisen. Andere Querschnittsformen, die lediglich eine Montageposition erlauben, sind durchaus möglich.In this case, at least connected to the actuator end of the shaft has a round cross-section with a lateral Flattening and the actuator have a corresponding with the end receiving opening. Other cross-sectional shapes that allow only one mounting position, are quite possible.

Als Verdrehsicherung kann an dem Stelltrieb, vorzugsweise an der dem Strömungskanal zugewandten Seite des Stelltriebs, ein in eine entsprechende Öffnung in der Wandung des Strömungskanals zumindest teilweise eingreifender Stift vorgesehen sein. Bei Einführen des aus dem Strömungskanal herausragenden Endes der Welle in die Aufnahmeöffnung des Stelltriebs wird gleichzeitig der Stift in die Wandung des Strömungskanals eingeführt, so dass hierdurch der Stelltrieb an zwei Punkten mit dem Strömungskanal verbunden ist. Um ein Lösen zu verhindern, kann der Stift beispielsweise endseitig eine Rastnase aufweisen, die einen korrespondierenden strömungskanalseitigen Rastvorsprung hintergreift.As an anti-rotation can be provided on the actuator, preferably on the side facing the flow channel side of the actuator, in a corresponding opening in the wall of the flow channel at least partially engaging pin. Upon insertion of the projecting out of the flow channel end of the shaft into the receiving opening of the actuating drive, the pin is simultaneously introduced into the wall of the flow channel, so that in this way the actuator is connected at two points with the flow channel. In order to prevent loosening, the pin may, for example, have a latching nose at the end, which engages behind a corresponding flow channel-side latching projection.

Zur beabstandeten Anordnung des Stelltriebs von dem Strömungskanal im montierten Zustand kann auf der dem Strömungskanal zugewandten Seite des Stelltriebs ein vorzugsweise elastisches Abstandselement, insbesondere ein Elastomer, vorgesehen sein. Insbesondere bei elastischer Ausbildung verhindert das Abstandselement auch das Auftreten von Vibrationen.For the spaced arrangement of the adjusting drive of the flow channel in the mounted state, a preferably elastic spacer element, in particular an elastomer, may be provided on the side of the adjusting drive facing the flow channel. Especially with elastic training, the spacer also prevents the occurrence of vibration.

Dabei bietet sich an, wenn zumindest im Bereich des Stiftes ein Abstandselement vorgesehen ist. Sofern die Dicke des Abstandselementes in etwa dem verbleibenden Zwischenraum zwischen dem Stelltrieb und dem Strömungskanal im aufgesteckten Zustand im Bereich der Welle entspricht, wird auf diese Weise der Stelltrieb an zwei Stellen in gleichem Maße von der Wandung beabstandet.It is advisable if at least in the region of the pin, a spacer element is provided. If the thickness of the spacer approximately corresponds to the remaining gap between the actuator and the flow channel in the plugged state in the region of the shaft, in this way the actuator is spaced at two locations to the same extent from the wall.

Die Regeleinrichtung kann auch mit einem externen Raumtemperatursensor verbunden sein. Über den Raumtemperatursensor wird die Raumtemperatur ermittelt und ein entsprechendes Signal an die Regeleinrichtung weitergeleitet. Bei Regelungsbedarf wird dann im Rahmen der Voreinstellung des minimalen und maximalen Volumenstroms die Stellung der Regelklappe in der gewünschten Richtung verändert.The controller may also be connected to an external room temperature sensor. The room temperature sensor is used to determine the room temperature and forward a corresponding signal to the control unit. If regulation is required, the position of the control damper in the desired direction is then changed as part of the presetting of the minimum and maximum volumetric flow.

Es ist durchaus möglich, dass zur zusätzlichen externen Regelung des Volumenstromreglers die Regeleinrichtung mit einer externen Steuerung, insbesondere einer Gebäudeleittechnik, verbunden ist. Hierdurch kann der Volumenstromregler zusätzlich extern innerhalb des vorher durch das(die) Mittel eingestellten minimalen und maximalen Regelbereichs geregelt werden.It is quite possible that for additional external control of the volumetric flow controller, the control device with an external control, in particular a building management system, is connected. As a result, the volumetric flow controller can additionally be controlled externally within the minimum and maximum control ranges previously set by the means.

Die Regeleinrichtung kann an ein Bussystem angeschlossen sein. In diesem Fall ist in der Regeleinrichtung ein LON- oder ASI-Chip vorgesehen.The control device can be connected to a bus system. In this case, a LON or ASI chip is provided in the control device.

Im Folgenden wird ein in der Zeichnung dargestelltes Ausführungsbeispiel der Erfindung erläutert. Es zeigen:

Fig. 1
einen teilweise aufgeschnittenen Volumenstromregler und
Fig. 2
einen Teilschnitt durch den Gegenstand nach Fig. 1 in Richtung II-II.
In the following, an illustrated in the drawing embodiment of the invention will be explained. Show it:
Fig. 1
a partially cut volume flow regulator and
Fig. 2
a partial section through the object Fig. 1 in the direction of II-II.

In beiden Figuren werden für gleiche bzw. gleichartige Bauteile übereinstimmende Bezugszeichen verwendet.In both figures, the same reference numerals are used for identical or similar components.

Der in den Figuren dargestellte Volumenstromregler 1 weist einen Strömungskanal 2 mit einer umlaufenden Wandung 3, die beispielsweise rund oder eckig ausgebildet sein kann, auf. Im Bereich der beiden Enden 4, 5 des Strömungskanals 2 sind Sicken 6 vorgesehen. Mit den beiden Enden 4, 5 ist der Volumenstromregler 1 mit einer nicht dargestellten klimatechnischen Anlage verbunden.The volume flow regulator 1 shown in the figures has a flow channel 2 with a circumferential wall 3, which may be formed, for example, round or square on. In the region of the two ends 4, 5 of the flow channel 2 beads 6 are provided. With the two ends 4, 5 of the volumetric flow controller 1 is connected to an air conditioning system, not shown.

Innerhalb des Strömungskanals 2 ist auf einer quer zur Strömungsrichtung 7 angeordneten und zumindest eine die Wandung 3 des Strömungskanals 2 durchfassenden Welle 8 eine Regelklappe 9 schwenkbar gelagert, wobei randseitig die Regelklappe 9 eine Dichtlippe 10 aufweist.Within the flow channel 2, a control flap 9 is pivotally mounted on a transverse to the flow direction 7 and at least one of the wall 3 of the flow channel 2 passing shaft 8, wherein the edge of the control flap 9 has a sealing lip 10.

In der dargestellten Position befindet sich die Regelklappe 9 in einer Zwischenposition zwischen der Offen- und der Schließstellung. In der Offenstellung ist die Regelklappe 9 etwa parallel zur Strömungsrichtung 7 ausgerichtet.In the illustrated position, the control flap 9 is in an intermediate position between the open and the closed position. In the open position, the control flap 9 is aligned approximately parallel to the flow direction 7.

Außenseitig ist an dem Volumenstromregler 1 ein Stelltrieb 11 mit einer integrierten Regeleinrichtung 12 montiert. Der Stelltrieb 11 weist eine Aufnahmeöffnung 13 auf, die auf das aus dem Strömungskanal 2 herausragende Ende der Welle 8 aufgesteckt wird. Wie deutlich zu erkennen ist, ist die Welle 8 rund und weist eine seitliche Abflachung 14 auf, so dass der Stelltrieb 11 nur in einer Montagesituation eingebaut werden kann. Die Abflachung 14 überträgt darüber hinaus die Drehbewegung des Stelltriebs 11 bei Betätigung auf die Welle 8.On the outside, an actuator 11 with an integrated control device 12 is mounted on the volumetric flow controller 1. The actuator 11 has a receiving opening 13, which is plugged onto the protruding from the flow channel 2 end of the shaft 8. As can be clearly seen, the shaft 8 is round and has a lateral flattening 14, so that the actuator 11 can be installed only in a mounting situation. The flattening 14 also transmits the rotational movement of the actuator 11 when actuated on the shaft eighth

Zum Verhindern eines Verdrehens des Stelltriebs 11 gegenüber dem Strömungskanal 2 ist auf der dem Strömungskanal 2 zugewandten Seite des Stelltriebs 11 ein Stift 15 vorgesehen, der in eine entsprechende Öffnung 16 in der Wandung 3 des Strömungskanals 2 eingreift. Zwischen der dem Strömungskanal 2 zugewandten Seite des Stelltriebs 11 und der Wandung 3 des Strömungskanals 2 ist im Bereich des Stiftes 15 ein vorzugsweise elastisches Abstandselement 17, wie z. B. ein Elastomer, vorgesehen. Die Dicke des Abstandselements 17 entspricht dabei in etwa dem Abstand zwischen dem Strömungskanal 2 und dem Stelltrieb 11 im Bereich der Welle 8, wenn der Stelltrieb 11 vollständig auf die Welle 8 aufgesteckt worden ist.To prevent twisting of the actuator 11 relative to the flow channel 2, a pin 15 is provided on the flow channel 2 facing side of the actuator 11, which engages in a corresponding opening 16 in the wall 3 of the flow channel 2. Between the the flow channel 2 facing side of the actuator 11 and the wall 3 of the flow channel 2 is in the region of the pin 15, a preferably elastic spacer 17, such. As an elastomer provided. The thickness of the spacer 17 corresponds approximately to the distance between the flow channel 2 and the actuator 11 in the region of the shaft 8 when the actuator 11 has been completely plugged onto the shaft 8.

In dem dargestellten Ausführungsbeispiel sind als Drucksensor 18 zwei rechtwinklig zueinander angeordnete Rohre 19 in dem Strömungskanal 2 vorgesehen. Die Rohre 19 weisen nicht dargestellte Ausnehmungen über ihre Länge auf. Selbstverständlich sind auch andere Arten von Drucksensoren 18 denkbar.In the illustrated embodiment, two tubes 19 arranged at right angles to one another are provided in the flow channel 2 as the pressure sensor 18. The tubes 19 have not shown recesses over their length. Of course, other types of pressure sensors 18 are conceivable.

Über Leitungen 20 sind die Rohre 19 des Drucksensors 18 mit der Regeleinrichtung 12 verbunden. Die über die Rohre 19 ermittelte Druckdifferenz wird in der Regeleinrichtung 12 in ein Spannungssignal umgesetzt, wobei dieser so ermittelte Istwert dann mit einem hinterlegten Sollwert verglichen und bei Bedarf ein entsprechendes Signal an den Stelltrieb 11 zur Veränderung der Stellung der Regelklappe 9 ausgesandt wird.Via lines 20, the tubes 19 of the pressure sensor 18 are connected to the control device 12. The determined via the tubes 19 pressure difference is converted into the control device 12 in a voltage signal, which thus determined actual value then compared with a stored setpoint and if necessary, a corresponding signal to the actuator 11 for changing the position of the control flap 9 is emitted.

Zur Einstellung des minimalen und maximalen Volumenstroms sind zwei als Mittel 21 ausgebildete Potentiometer vorgesehen. Durch die außenseitig aufgebrachte Skalierung können der minimale und der maximale Volumenstrom über je einen Potentiometer problemlos eingestellt werden.To set the minimum and maximum volume flow two designed as a means 21 potentiometer are provided. Due to the externally applied scaling, the minimum and maximum volume flow can be set easily via a potentiometer.

Über Klemmen 22 ist der Volumenstromregler 1 an ein Stromnetz, gegebenenfalls auch an eine gebäudeseitige Gebäudeleittechnik sowie an einen Raumtemperatursensor, angeschlossen. Eine außenseitige Kontrollleuchte 23 signalisiert die Betriebsweise.About terminals 22 of the volumetric flow controller 1 to a power grid, possibly also to a building-side building control system and a room temperature sensor connected. An outside warning light 23 signals the operation.

Wie Fig. 1 zu entnehmen ist, ist der erfindungsgemäße Volumenstromregler 1 äußerst kompakt, da Regelklappe 9, Stelltrieb 11, Regeleinrichtung 12 und Drucksensor 18 auf geringstem Raum angeordnet sind und die Montage werkseitig bereits vorgenommen werden kann. Auf der Baustelle selbst muss der Volumenstromregler 1 lediglich mit seinen beiden Enden 4, 5 mit dem gebäudeseitigen Klimatisierungssystem verbunden sowie an ein Stromnetz angeschlossen werden.As Fig. 1 can be seen, the volumetric flow controller 1 according to the invention is extremely compact, since the control valve 9, actuator 11, control device 12 and pressure sensor 18 are arranged in the smallest space and the factory assembly can already be made. On the construction site itself, the volumetric flow controller 1 must be connected only with its two ends 4, 5 with the building-side air conditioning system and connected to a power grid.

Claims (8)

  1. Volume flow controller (1), in particular for climate-control and ventilation systems, said volume flow controller having a control flap (9), which is pivotably mounted in the interior of a flow channel (2) on a shaft (8) that is located transversely relative to the direction of flow (7) and extends through at least one wall (3) of the flow channel (2), wherein to change the position of the control flap (9), an actuating drive (11) engages the region of the shaft (8) protruding out of the flow channel (2), characterized in that a control device (12) is provided connected to the actuating drive (11) and arranged with said actuating drive in a common housing, and in that there is provided at least one pressure sensor (18) that protrudes into the flow channel (2) and is connected to the control device (12), wherein at least one means (21) for adjusting a minimum and/or a maximum admissible volume flow in the flow channel (2) is provided at the control device (12) and in that at least one means (21) for adjusting the admissible volume flow is realized as a potentiometer.
  2. Volume flow controller (1) according to Claim 1, characterized in that the actuating drive (11) and the end of the shaft (8) protruding out of the flow channel (2) are connected to each other by means of a positive locking connection and a positive locking connection that only allows for one assembly situation.
  3. Volume flow controller(1) according to Claim 2, characterized in that at least the end of the shaft (8) connected to the actuating drive (11) has a round cross section with a lateral flattening (14) and the actuating drive (11) has an accommodating opening (13) corresponding to the end.
  4. Volume flow controller (1) according to one of Claims 1 to 3, characterized in that as protection against rotation, a pin (15) is provided at the actuating drive (11), preferably on the side of the actuating drive (11) facing the flow channel (2), engaging at least partially in a corresponding opening (16) in the wall (3) of the flow channel (2).
  5. Volume flow controller(1) according to one of Claims 1 to 4, characterized in that a preferably resilient spacing element (17), in particular an elastomer, is provided to arrange the actuating drive (11) at a spacing from the flow channel (2) in the mounted state on the side of the actuating drive (11) facing the flow channel (2).
  6. Volume flow controller (1) according to one of Claims 1 to 5, characterized in that the control device (12) is connected to an external ambient temperature sensor.
  7. Volume flow controller(1) according to one of Claims 1 to 6, characterized in that the control device (12) is connected to an external control means, in particular to a building services management system, to control the volume flow controller(1) externally.
  8. Volume flow controller (9) according to one of Claims 1 to 7, characterized in that the control device (12) is connected to a bus system.
EP05014258A 2004-07-10 2005-06-30 Air flow controller, in particular for ventilation and/or air-conditioning devices Active EP1614975B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05014258T PL1614975T3 (en) 2004-07-10 2005-06-30 Air flow controller, in particular for ventilation and/or air-conditioning devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202004010819U DE202004010819U1 (en) 2004-07-10 2004-07-10 Volume flow controller, in particular for air conditioning and ventilation systems

Publications (3)

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EP1614975A2 EP1614975A2 (en) 2006-01-11
EP1614975A3 EP1614975A3 (en) 2007-02-14
EP1614975B1 true EP1614975B1 (en) 2010-04-14

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EP (1) EP1614975B1 (en)
CN (1) CN2823887Y (en)
AT (1) ATE464512T1 (en)
DE (2) DE202004010819U1 (en)
DK (1) DK1614975T3 (en)
ES (1) ES2344264T3 (en)
PL (1) PL1614975T3 (en)

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US8695888B2 (en) 2004-10-06 2014-04-15 Nest Labs, Inc. Electronically-controlled register vent for zone heating and cooling
US9208676B2 (en) 2013-03-14 2015-12-08 Google Inc. Devices, methods, and associated information processing for security in a smart-sensored home

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US8020777B2 (en) 2007-01-29 2011-09-20 Lawrence Kates System and method for budgeted zone heating and cooling
DE202007001507U1 (en) * 2007-01-29 2007-04-19 Gruner Ag Volumetric flow regulator unit for ventilator or air conditioning system has multi-position selector switch and a variable resistor parameter setting switch
PL1980798T3 (en) * 2007-04-12 2011-07-29 Werner Wildeboer Electronic volume flow regulator with power sensor
CA2717455A1 (en) * 2008-03-07 2009-09-11 Belimo Holding Ag Device for measuring and regulating a volume flow in a ventilation pipe
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DE102010011137B3 (en) * 2010-03-11 2011-10-06 Peter Eppich Air-pressure difference measuring pipe for regulating air volume flow in air conditioning system, particularly in computer centers, has connection that is fitted between rooms, where connection has tube with two flaps
CN102635920B (en) * 2012-04-17 2014-02-19 张伟 Air quantity automatic regulating method of variable working condition ventilating system
CN103807986B (en) * 2014-03-04 2019-04-26 中国人民解放军第二炮兵工程设计研究所 Variable air volume ventilating system
CN103954028B (en) * 2014-05-06 2016-08-17 余祥红 A kind of ventilation valve with stopper
EP3285018B1 (en) 2016-08-19 2019-07-10 Gruner AG Volume flow regulator
CN112046722A (en) * 2020-07-21 2020-12-08 沪东中华造船(集团)有限公司 Automatic bypass valve device of ship constant-air-volume air conditioner
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US8695888B2 (en) 2004-10-06 2014-04-15 Nest Labs, Inc. Electronically-controlled register vent for zone heating and cooling
US9182140B2 (en) 2004-10-06 2015-11-10 Google Inc. Battery-operated wireless zone controllers having multiple states of power-related operation
US9194599B2 (en) 2004-10-06 2015-11-24 Google Inc. Control of multiple environmental zones based on predicted changes to environmental conditions of the zones
US9194600B2 (en) 2004-10-06 2015-11-24 Google Inc. Battery charging by mechanical impeller at forced air vent outputs
US9222692B2 (en) 2004-10-06 2015-12-29 Google Inc. Wireless zone control via mechanically adjustable airflow elements
US9273879B2 (en) 2004-10-06 2016-03-01 Google Inc. Occupancy-based wireless control of multiple environmental zones via a central controller
US9303889B2 (en) 2004-10-06 2016-04-05 Google Inc. Multiple environmental zone control via a central controller
US9316407B2 (en) 2004-10-06 2016-04-19 Google Inc. Multiple environmental zone control with integrated battery status communications
US9353964B2 (en) 2004-10-06 2016-05-31 Google Inc. Systems and methods for wirelessly-enabled HVAC control
US9353963B2 (en) 2004-10-06 2016-05-31 Google Inc. Occupancy-based wireless control of multiple environmental zones with zone controller identification
US9618223B2 (en) 2004-10-06 2017-04-11 Google Inc. Multi-nodal thermostat control system
US9208676B2 (en) 2013-03-14 2015-12-08 Google Inc. Devices, methods, and associated information processing for security in a smart-sensored home

Also Published As

Publication number Publication date
PL1614975T3 (en) 2010-10-29
EP1614975A3 (en) 2007-02-14
CN2823887Y (en) 2006-10-04
ATE464512T1 (en) 2010-04-15
DK1614975T3 (en) 2010-08-09
DE502005009398D1 (en) 2010-05-27
DE202004010819U1 (en) 2004-09-30
EP1614975A2 (en) 2006-01-11
ES2344264T3 (en) 2010-08-23

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